| Business | Phone |
| Byram Board Of Adjustment 10 Mansfield Dr, Stanhope 7874 | (973) 347-2501 |
| Byram Building Inspector 10 Mansfield Dr, Stanhope 7874 | (973) 347-2502 |
| Byram Clerk's Office 10 Mansfield Dr, Stanhope 7874 | (973) 347-6503 |
| Byram Dog Warden Mansfield Rd, Stanhope 7874 | (973) 347-0279 |
| Byram Planning Board Mansfield Dr, Stanhope 7874 | (973) 347-6446 |
| Byram Recycling Coordinator 10 Mansfield Dr, Stanhope 7874 | (973) 347-6731 |
| Byram Township Hall 10 Mansfield Dr, Stanhope 7874 | (973) 347-2500 |
| Byram Tpw Garage 10 Mansfield Dr, Stanhope 7874 | (973) 347-2506 |